Home / 491,291,276.30-737,191,960.82-200,371,831.82

Finding the Fourth Proportional to 491,291,276.30, 737,191,960.82 and 200,371,831.82

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Solution

The fourth proportional to 491,291,276.30, 737,191,960.82 and 200,371,831.82 is: 300,661,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,291,276.30 : 737,191,960.82 = 200,371,831.82 : x
  2. Step 2: Convert to fraction form
    491,291,276.30/737,191,960.82 = 200,371,831.82/x
  3. Step 3: Cross multiply
    491,291,276.30x = 737,191,960.82 × 200,371,831.82
  4. Step 4: Simplify right side
    491,291,276.30x = 147,712,503,591,309,120
  5. Step 5: Solve for x
    x = 147,712,503,591,309,120/491,291,276.30
  6. Step 6: Final answer
    x = 300,661,767.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.